The English “International Organization for Standardization” is the most important organization operating worldwide in the definition of technical standards.
It is based in Geneva, Switzerland, and consists of members who belong to international standardization bodies from 164 countries around the world.

The ISO cooperates closely with the International Electrotechnical Commission (IEC), responsible for the standardization of electrical and electronic devices, and with the International Telecommunication Union (ITU) for what concerns the technical norms in the telecommunications sector.

From its inception until 2019, ISO has developed 22683 international technical standards.
The ISO also dealt with the development of different types of documents:

  • TS,
  • Technical Specifications (Technical Specifications)
  • TR, Technical Reports (Technical Reports)
  • PAS, Publicly Available Specifications (Publicly Available Specifications)
  • IWA, International Workshop Agreements (International Workshop Agreements)
  • Guides.